Finding the Fourth Proportional to 894,992.72, 1,235,112.72 and 487,116.68

Step by Step Solution

1. Step 1: Write the proportion equation
   894,992.72 : 1,235,112.72 = 487,116.68 : x
2. Step 2: Convert to fraction form
   894,992.72/1,235,112.72 = 487,116.68/x
3. Step 3: Cross multiply
   894,992.72x = 1,235,112.72 × 487,116.68
4. Step 4: Simplify right side
   894,992.72x = 601,644,007,592.17
5. Step 5: Solve for x
   x = 601,644,007,592.17/894,992.72
6. Step 6: Final answer
   x = 672,233.41